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Table 6 Posterior means of residual correlations and 95% highest posterior density (HPD95%) intervals among the traits involved in lactation feed efficiency based on the multiple trait animal model (MTAM)

From: Analysis of the causal structure of traits involved in sow lactation feed efficiency

Trait

Trait

Residual correlation

Posterior mean

HPD95%

dLFI

dSWB

0.48

[0.42, 0.54]

dLWG

0.11

[− 0.009, 0.22]

dBFTB

0.25

[0.15, 0.34]

SMBW

− 0.21

[− 0.29, 0.13]

dSWB

dLWG

− 0.24

[− 0.35, − 0.13]

dBFTB

0.52

[0.43, 0.60]

SMBW

− 0.28

[− 0.35, − 0.20]

dLWG

dBFTB

− 0.13

[− 0.27, 0.01]

SMBW

0.04

[− 0.08, 0.16]

dBFTB

SMBW

− 0.14

[− 0.40, 0.14]

  1. dLFI = daily lactation feed intake (kg/day); dSWB (daily sow weight balance (kg/day); dLWG = daily litter weight gain (kg/day); dBFTB = daily back fat thickness balance (mm/day); SMBW = sow metabolic body weight (kg0.75)